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PyConZA
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Scaling Django: serving traffic and growing your team: Alex Gaynor's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Neil Broers
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With the advent of the low cost Raspberry Pi computer, anyone with a soldering iron and some basic Python skills can take everyday objects and transform them into fully networked, smart devices. In this talk, I will show you how I hacked a Raspberry Pi into my home alarm system, turning my network of IP cameras into motion triggered sensors. I will show you how to build basic input and output circuits and introduce you to the RPi.GPIO Python module. We’ll talk about how you can build a...
Topics: pyconza, pyconza2014, python
PyConZA
by Adrianna Pińska
movies
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Regular expressions are a mini-language used for pattern-matching in text. They have been a staple of the computing world for decades: they are implemented in most programming languages, form the core of several utilities, and can be found lurking in the search-and-replace functionality of any sufficiently advanced text editor. Despite their usefulness, regular expressions have developed a reputation for complexity and a steep learning curve. New programmers are often warned to steer clear of...
Topics: pyconza, pyconza2014, python
PyConZA
by Maciej Fijałkowski
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Maciej Fijałkowski's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
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Armin Rigo's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
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Our hybrid programming journey with Python and C++: James Saunders's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Stefano Rivera
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This talk is aimed at people who maintain Python libraries and also users of Debian packaged libraries. (Wherever I say Debian in this abstract, it applies to Ubuntu too). The talk should explain a bit about how and why libraries are packaged in Debian, and how to help maintain (or contribute) packages you care about. We'll cover a bit of history of the Python stacks in Debian and how packaged modules are provided, and who does the work. For context, we'll take a quick detour into Debian...
Topics: pyconza, pyconza2014, python
PyConZA
by Tobias Brandt
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Tobias Brandt https://2016.za.pycon.org/talks/16/ This talk will give an introduction to Neural Networks and Deep Learning in Python. We will cover some of the history of Neural Networks and obstacles that were encountered in the 1990s. This will then lead onto the developments in 2006 and 2012 that lead to the resurgence of interest in Neural Networks and the rebranding of the field as Deep Learning. These developments will be illustrated by means of an extended example of building a...
Topics: pyconza, pyconza2016, python, TobiasBrandt
PyConZA
by Johann du Toit
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Millions of people read news monthly, and news tend to happen in bursts. The ideal infrastructure is able to scale up or down as soon as needed and provide a way to let you proactively manage your servers rather than reactively, which in the media game is a deal breaker. It gets even worse when you're running most of the local publication sites, including some big name players. Focusing on the infrastructure we built, using Salt for management; give insight into the news game and provide...
Topics: pyconza, pyconza2014, python
PyConZA
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Python is great language for developing software that works well in a short time-span. The ability to produce code quickly that is of a reasonable quality is very important in a work environment where productivity is of extreme importance. It would thus seem to be very well suited for usage in a start-up environment. Is this really the case though? Here at Springlab we've been using Python to develop our product, an online platform for locating and booking with medical practitioners, since day...
Topics: pyconza, pyconza2014, python
PyConZA
by Albert Nel
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Python is such a beautiful language, and is used as a scripting language in many open source graphical applications. By using the power of Python within Blender, we can easily automate so many things, and make long tedious tasks seem like child's play. In this talk I wanted to share a few real world examples where I used Python to do something that would otherwise be impossible (Or just take too long!) At first, we will take a quick look at the API, and how to get started. Here we will look at...
Topics: pyconza, pyconza2014, python
PyConZA
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Kobus Wolvaardt http://www.pyvideo.org/video/3926/numberplate-recognition-using-python-opencv-and https://za.pycon.org/talks/14/ How to build/construct a numberplate recognition system for you or your neighbourhood. Using Python and openCV to detect and recognize numberplates from images, check and log it in a DB. Some challenges in getting usable numberplates at night and how the software was designed will be covered.
Topics: pyconza, pyconza2015, python, KobusWolvaardt
PyConZA
by Simon Ratcliffe
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MeerKAT: science with Python: Simon Ratcliffe's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
movies
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Panel's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
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Building RESTful, service-oriented architectures with Twisted: Bryn Divey's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by David Fraser
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Introduction to SQLAlchemy: David Fraser's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Abuobayda Shabat
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Abuobayda Shabat http://www.pyvideo.org/video/3929/an-introduction-to-machine-learning-in-python https://za.pycon.org/talks/21/ In this tutorial, two main areas will be covered using Textural Images Dataset: Textural Features Methods: (Grey Level Co-occurrence Matrix(GLCM), Local Binary Pattern(LBP) and Local Directional Pattern(LDP)) Classification using Support Vector Machine (SVM) and Naive Bayes(NB). Both Features Extraction and Classification will be implemented using Python. Texture is a...
Topics: pyconza, pyconza2015, python, AbuobaydaShabat
PyConZA
movies
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Apache Spark is a fast and general engine for large-scale, distributed data processing. It offers high-level APIs in Java, Scala and Python as well as a rich set of libraries including stream processing, machine learning, and graph analytics. Spark is currently one of the most exciting and fastest-growing Apache open source projects. This talk will give an overview of the Apache Spark project and introduce the basics of PySpark, the Python API for Spark. It will then dive a little deeper into...
Topics: pyconza, pyconza2014, python
PyConZA
movies
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Hyperion Development: teaching and promoting Python: Orion Adams's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Adrianna Pińska
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Adrianna Pińska's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Vinod Kurup
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Using RapidSMS to power democracy in Libya. As web developers, we often think of the web as being a ubiquitous resource, available to everyone. The truth is that there are still large groups of people who have either limited or no web access. In addition, there are people who have excellent web access, yet still prefer to use simpler tools to connect to others. How can we reach these groups of people? While not perfectly ubiquitous, SMS technology is much more widespread, especially in areas...
Topics: pyconza, pyconza2014, python
PyConZA
by David Campey
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Changing from .Net to Python: David Campey's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
One of the ways that changes enter the Python language is via their prior discussion on the python-ideas mailing list. Many core contributors read and contribute to this list, some do not, and a large number of other interested Python programmers also participate in the discussion. A recurring element of these fascinating discussions is that ideas which seem compelling at first blush, upon deeper discussion reveal the greater wisdom of doing things just the way Python already does. Not always,...
Topics: pyconza, pyconza2014, python
PyConZA
by Kevin Colville and Andy Rabagliati
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High-performance Computing with Python: Kevin Colville and Andy Rabagliati's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Maciej Fijałkowski
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Details of Python performance: Maciej Fijałkowski's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Alex Conway
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Alex Conway https://2017.za.pycon.org/talks/57/ The state-of-the-art in image classification has skyrocketed thanks to the development of deep convolutional neural networks and increases in the amount of data and computing power available to train them. The top-5 error rate in the international ImageNet competition to predict which of 1000 classes an image belongs to has plummeted from 28% error in 2010 before deep learning to just 2.25% in 2017 (human level error is around 5%). In addition to...
Topics: pyconza, pyconza2017, python, AlexConway
PyConZA
movies
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Graduating from a 90% male computer science class, to an initially 100% male software development team, finally allowed me to realise that there is a dire lack of women in the computer science field. Entering this industry in a minority invokes initial feelings of the need to constantly prove oneself and one's capabilities – normally this puts one at an immediate disadvantage. However, given the correct circumstances, surrounding environments and attitudes, these adverse feelings can quickly...
Topics: pyconza, pyconza2014, python
PyConZA
by Armin Ronacher
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Things you didn't know about Python: Armin Ronacher's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Jeremy Thurgood
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Automated tests are an important part of any software project, but they're often hard to work with. Good test code should be written with its own set of priorities and is sufficiently different from non-test code that many standard programming practices are unsuitable. I have spent many years writing (and reading) tests of varying quality and have learned quite a lot from the experience. I hope to share some of that experience and help to remove some of the pain usually associated with writing...
Topics: pyconza, pyconza2014, python
PyConZA
by Laurens Van Houtven
movies
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Fractal Architectures: Laurens Van Houtven's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
movies
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Stefan van der Walt's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Nickolas Grigoriadis
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We all know writing documentation is an arduous exercise. We all know how useless and frustrating out-of-date or just plain incorrect documentation is. In this talk I'd like to demonstrate how Python can help make writing documentation, keeping it up-to-date and verifying its validity. It can be surprising what happens when other people discover your little-but-well-documented API. Python has several built-in concepts and standard tools to help making this easier, such as docstrings, help(),...
Topics: pyconza, pyconza2014, python
PyConZA
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Introduction to the Plone content management system: Jan-Carel Brand's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Kevin Colville, Andrew Gill
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Kevin Colville, Andrew Gill's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Stefano Rivera
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Stefano Rivera's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Allison Randal
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Any decent textbook on astrophysics starts with a historical prologue running something like this: "Once upon a time, we believed the earth was flat. We were wrong. Once upon a time, we believed the sun rotated around the earth. We were wrong." It's a shame that computer science textbooks don't start the same way: "Once upon a time, we believed that all computer languages would be statically compiled. We were wrong. Once upon a time, we believed that execution would always be...
Topics: pyconza, pyconza2014, python
PyConZA
by Tobie Nortje
movies
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The IPython Notebook is a browser-based interactive computational environment in which you can combine code execution, text, mathematics, plots and rich media into a single document. Notebooks are text files that can be shared with colleagues, converted to other formats such as HTML, PDF, etc.
Topics: pyconza, pyconza2014, python
PyConZA
by Larry Hastings
movies
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Stepping through CPython: Larry Hastings' talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Philip Sterne
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Philip Sterne https://2016.za.pycon.org/talks/39/ Any time you have noisy data where you would like to see the underlying trend then you should think about using Gaussian processes. They will smooth out any noise and give you a great visualisation of the error bars as well. Rather than fitting a specific model to the data, Gaussian processes can model any smooth function. I will show you how to use Python to: fit Gaussian Processes to data display the results intuitively handle large datasets...
Topics: pyconza, pyconza2016, python, PhilipSterne
PyConZA
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Christo Goosen https://2016.za.pycon.org/talks/9/ MicroPython has risen from a kickstarter campaign to a feature rich implementation of Python 3 on microcontrollers. The project is summarized in the following statement: "MicroPython is a lean and efficient implementation of the Python 3 programming language that includes a small subset of the Python standard library and is optimised to run on microcontrollers and in constrained environments" (http://micropython.org/). With IOT gaining...
Topics: pyconza, pyconza2016, python, ChristoGoosen
PyConZA
by Carel van Gend; Briehan Lombaard
movies
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Astronomy in South Africa has a long and illustrious history. In addition to the premier, 10-m Southern Africa Large Telescope (SALT) , there are a number of small- and medium-sized telescopes hosted at the South African Astronomical Observatory that still produce a great deal of valuable data. We'd like to show how we're using new instruments and the nimbleness of Python to bring seventy-year-old telescopes into the 21st century. Our long-term goal is to have the telescopes and associated...
Topics: pyconza, pyconza2014, python
PyConZA
movies
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Bernhardt Garlipp http://www.pyvideo.org/video/3937/community-security-anpr-automated-number-plate https://za.pycon.org/talks/15/ The talk will be a introductory tutorial showing how to get an ANPR (Automated Number Plate Recognition) system, which was developed for community security, up and running on your Raspberry Pi. This will provide a comfortable starting point for any security-prone person to start monitoring the vehicles entering and leaving their community. The target audience for...
Topics: pyconza, pyconza2015, python, BernhardtGarlipp
PyConZA
by Neilen Marais and Charles de Villiers
movies
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Control and Monitoring of the Karoo Telescope Arrays using Python: Neilen Marais and Charles de Villiers' talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Bradley Whittington
movies
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Why PHP is a terrible addiction to kick: Bradley Whittington's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Azhar Desai
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Azhar Desai http://www.pyvideo.org/video/3927/opencanary-a-new-python-based-honeypot https://za.pycon.org/talks/10/ Honeypots: a great idea tempered by over a decade of glorious misapplication resulting in a slow relegation to the realm of academia and slightly dubious research. But it doesn’t have to be that way. In August 2015 we released OpenCanary, the Open Source version of our commercial Python-based honeypot. Traditional honeypots aim to reveal attacker tools, techniques and...
Topics: pyconza, pyconza2015, python, AzharDesai
PyConZA
by Edward van Kuik
movies
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How to open a bar in Python: Edward van Kuik's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Armin Rigo
movies
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PyPy: Armin Rigo's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
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Scalable event-driven architectures with Twisted: Simon de Haan's talk at PyConZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Peter Lubell-Doughtie
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Earlier this year Ona was given three weeks to write the software that will tally votes in the Libyan elections and decide who wins and who loses. This is not something we could get wrong. We combined agile development with best practices in testing and QA to build an open source tally system that was well tested, accurate, and easy to use. We will describe a success story of iterative behavior/test-driven-development under extreme conditions. Did the structure of the data change the day before...
Topics: pyconza, pyconza2014, python
PyConZA
by Larry Hastings
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Larry Hastings's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Laura Richter
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The ipython environment lends itself to teaching and learning: immediate feedback, flexible visualisation, easy access to docstrings and ability to explore modules. With development of the ipython notebook, this is taken a step further, by providing browser-based access to an ipython environment with the ability to share notebooks with others, embed output products and annotate code. I will present some experience of using ipython as a teaching tool in a tertiary teaching environment in Radio...
Topics: pyconza, pyconza2014, python
PyConZA
by Various
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Lightning Talks are fun, short, five-minute (or less) talks. Ideally each talk should make a single point, often in a fun, quirky or over-the-top way. Slides are optional but often a good image can help get a point across quickly. Lightning Talks will take place immediately before the keynote at the end of the first day of the conference. 1. Launch to Borderline Zombie in a Year by Mike Jones 2. Why you're dumb if you are doing a Python GUI in anything other than Kivy by Richard Larkin 3. PyPy...
Topics: pyconza, pyconza2014, python
PyConZA
by Richard Larkin
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Richard Larkin's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
movies
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Sett Wai's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
movies
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Adam Jorgensen https://2016.za.pycon.org/talks/15/ In this talk I will discuss two specific methods of implementing distributed applications in Python. Distributed applications allow one to improve resiliency and performance, although this can come at the cost of increased complexity. The trick is to apply a distributed application framework in situations where that complexity is less significant than the benefits it provides. Of the two systems I will be covering, Celery is by far the better...
Topics: pyconza, pyconza2016, python, AdamJorgensen
PyConZA
by Gustav Praekelt
movies
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PyConZA by the Numbers: Gustav Praekelt's lightning talk at the opening of PyConZA 2012.
Topics: pyconza, pyconza2012, python
PyConZA
by Martin Pretorius
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Having pushed Ruby to the limits of what it can accomplish in terms of number crunching and data analysis, we looked around for another solution in the data analysis and modelling space. We quickly found that with packages and tools like Numpy, Pandas, the iPython Notebook and new packages like Blaze, Python looked to be a good language fit. Porting a large existing codebase and accompanying infrastructure from a Ruby to Python ecosystem simply wasn't an option, so we had to do something clever...
Topics: pyconza, pyconza2014, python
PyConZA
by Dr. Brain Leke Betechuoh and Suparna Apte
movies
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Python in the real world: healthcare in Africa: Dr. Brain Leke Betechuoh and Suparna Apte's talk at PyCon ZA 2012
Topics: pyconza, pyconza2012, python
PyConZA
by Simon de Haan
movies
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Simon de Haan's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Gideon Redelinghuys
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Gideon Redelinghuys http://www.pyvideo.org/video/3925/python-cloudflare https://za.pycon.org/talks/3/ CloudFlare protects and accelerates any website online. Whether it's protecting large customers from 160Gbps DDOS attacks, dealing with normal Reddit traffic, Universal SSL or providing one of the fastest DNS servers in the world we need to stay up, work fast and deploy fast. To this end we have two large Python projects we use at CloudFlare. One is the popular configuration manager Salt. We...
Topics: pyconza, pyconza2015, python, GideonRedelinghuys
PyConZA
by Michael Joseph
movies
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My journey from a user of the awesome cookiecutter, to a core member of an awesome += 1 community. I've learned a lot from the modest and multi-talented @audreyr about leading a community, writing clean cross-platform Python code and putting the B in BFDL. My talk aims to introduce cookiecutter to a wider audience (if you're at a PyCon and you create new projects, you need to use it) and to chart my progress from the outside to the inside of an open source project.
Topics: pyconza, pyconza2014, python
PyConZA
by Carl Scheffler
movies
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Carl Scheffler http://www.pyvideo.org/video/3924/distributed-pub-sub-infrastructure-with-apache-ka https://za.pycon.org/talks/20/ [Apache Kafka](http://kafka.apache.org/) is great for building a large scale distributed data bus. Even a small cluster will happily accept and store thousands of messages per second, and make them available to consumers with low latency. Kafka was chosen as the solution to our publish-subscribe infrastructure at [Takealot.com](http://www.takealot.com/). It supports...
Topics: pyconza, pyconza2015, python, CarlScheffler
PyConZA
by Humphrey Butau
movies
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Humphrey Butau https://2016.za.pycon.org/talks/21/ Test driven development is a method of programming that has been talked about considerably over the past few years. It is a way of programming that aims to achieve good quality code, by specifying your problems through writing tests first. In my tutorial i will introduce the core concepts of TDD through creating a simple web application using Python & Django. I will explain in detail the TDD workflow. Attendees to this tutorial will be...
Topics: pyconza, pyconza2016, python, HumphreyButau
PyConZA
movies
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Simon Ratcliffe's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
by Iwan Vosloo
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In this talk, I'd like to convince you that developing a web application today is an unnecessarily cumbersome and error prone task. It is time for web frameworks to evolve and become more like graphical user interface (GUI) frameworks: these provide abstractions called "windows" or "widgets" that let a programmer write an application using terms that describe what is being built, with less (if any) focus on the underlying technologies needed to accomplish drawing these items...
Topics: pyconza, pyconza2014, python
PyConZA
by Simon de Haan
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Simon de Haan's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
movies
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Mike Jones's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
movies
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Tobias Brandt http://www.pyvideo.org/video/3931/the-split-apply-combine-pattern-for-data-science https://za.pycon.org/talks/12/ Many data science problems involve the application of a split-apply-combine pattern, where you break up a big dataset into independent pieces, operate on each piece in isolation and then put all the pieces back together. This crops up in all stages of a data analysis: * During data preparation, when performing group-wise ranking, standardisation, or normalisation. *...
Topics: pyconza, pyconza2015, python, TobiasBrandt
PyConZA
by Kisitu Augustine
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Kisitu Augustine's talk at PyConZA 2013
Topics: pyconza, pyconza2013, python
PyConZA
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The Southern African Large Telescope is the premier optical astronomical facility in South Africa. Since the start of science operations in September 2011, it has produced a wide range of scientific results from studies of near-Earth asteroids to galaxies at the edge of the Universe. Once observations are obtained at the telescope, they are passed through our science pipeline, which is built on Python. The pipeline rapidly distributes the data, provides science quality reductions, and monitors...
Topics: pyconza, pyconza2014, python
PyConZA
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Irikidzai Muchaneta https://2016.za.pycon.org/talks/6/ I will be talking about creating a computer vision classroom color poll sheet recognition project using Python, OpenCV and raspberry Pi. Specifically, looking at detecting color poll-sheets in a classroom of about 50 - 150 students. Much like how one can poll an audience of people using a clicker technology and show the results of the audience with regards to a question asked. Audience is anyone interested in computer vision, what computer...
Topics: pyconza, pyconza2016, python, IrikidzaiMuchaneta
PyConZA
by Simon Cross
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PyConZA 2014 closing remarks.
Topics: pyconza, pyconza2014, python
PyConZA
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Computer and computer based activities have pervaded our teaching/learning process as well as research so much so that the 21st century academic activities in science and engineering (S & E) cannot be fully engaged without some level of computation. An important choice of a programming language especially in a developing country is the ease to learn it and its accessibility. Python's unique features and the possibility that any user connected to the internet can download the entire packages...
Topics: pyconza, pyconza2014, python
PyConZA
by Richard Spiers
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Twisted is an open source framework for writing network based services. It utilises an asynchronous, event driven model which allows the rapid development of custom network protocols. While Twisted makes implementing network services much easier, it comes with its own set of challenges. One of these challenges involves tracking the context of multiple requests. In a traditional web server the thread ID could be used to track a particular request and modify log entries appropriately. However,...
Topics: pyconza, pyconza2014, python
PyConZA
by Reuben Cummings
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Reuben Cummings https://2016.za.pycon.org/talks/38/ AUDIENCE data scientists (current and aspiring) those who want to know more about data mining, analysis, and processing those interested in functional programming DESCRIPTION Data mining is a key skill that involves transforming data found online and elsewhere from a hodgepodge of numbers into actionable information. Using examples ranging from RSS feeds, open data portals, and web scraping, this tutorial will show you how to efficiently...
Topics: pyconza, pyconza2016, python, ReubenCummings